// Copyright 2025 The Go Authors. All rights reserved.

// Use of this source code is governed by a BSD-style

// license that can be found in the LICENSE file.

//go:build mips64 || mips64le

#include "go_asm.h"

#include "textflag.h"

TEXT ·Count(SB),NOSPLIT,$0-40

// R1 = b_base

// R2 = b_len

// R3 = byte to count

MOVV b_base+0(FP), R1

MOVV b_len+8(FP), R2

MOVBU c+24(FP), R3

MOVV R0, R5 // count

ADDV R1, R2 // end

loop:

BEQ R1, R2, done

MOVBU (R1), R6

ADDV $1, R1

BNE R3, R6, loop

ADDV $1, R5

JMP loop

done:

MOVV R5, ret+32(FP)

RET

TEXT ·CountString(SB),NOSPLIT,$0-32

// R1 = s_base

// R2 = s_len

// R3 = byte to count

MOVV s_base+0(FP), R1

MOVV s_len+8(FP), R2

MOVBU c+16(FP), R3

MOVV R0, R5 // count

ADDV R1, R2 // end

loop:

BEQ R1, R2, done

MOVBU (R1), R6

ADDV $1, R1

BNE R3, R6, loop

ADDV $1, R5

JMP loop

done:

MOVV R5, ret+24(FP)

RET